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European Journal of Gynaecological Oncology  2020, Vol. 41 Issue (3): 375-379    DOI: 10.31083/j.ejgo.2020.03.5054
Original Research Previous articles | Next articles
Decreased expression of estrogen receptors alpha and beta in peripheral blood lymphocytes from the endometrial cancer patients and women with endometriosis
Marcin Jedryka1(), Agnieszka Chrobak2, Anna Chelmonska-Soyta2, Daria Fijalkowska3, Rafal Matkowski1
1Department of Oncology, Wroclaw Medical University and Lower Silesian Oncology Center, Pl. Hirszfelda 12, 53-314 Wroclaw, Poland
2Polish Academy of Science, Ludwik Hirszfeld Institute of Immunology and Experimental Therapy, Weigla 12, 53-114 Wroclaw, Poland
3University of Wrocław, Faculty of Biotechnology, Joliot-Curie 14a, 50-383 Wrocław, Poland
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Aim: Endometriosis and endometrial cancer are described as typical estrogen-dependent gynaecological diseases. The question arises if estrogens, working through their receptors, could influence the immunological activity of lymphocytes in these disorders. Here, we evaluated transcriptional expression of the estrogen receptors alpha and beta (ERα and ERβ) in T lymphocytes isolated from the peripheral blood in endometrial cancer and endometriosis patients. Methods: Peripheral blood was collected from ten patients with endometrial cancer, nine with endometriosis, and ten disease-free controls. After isolation of the T lymphocytes, purity was confirmed by flow cytometry and the relative level of ERα and ERβ mRNA was determined using RT-qPCR analysis. Results: Both ERα and ERβ were significantly decreased in T lymphocytes isolated from patients with either endometrial cancer or endometriosis when compared to the healthy controls. We measured no difference in the mRNA levels of ERα between endometrial cancer patients and endometriosis group, but ERβ expression in endometrial cancer women was twice as high than in the endometriosis group. Conclusion: Decreased transcription of nuclear estrogen receptor isoforms characterizes T lymphocytes from women with endometrial cancer and endometriosis.

Key words:  Endometriosis      Pelvic Pain      Endometrium Cancer      Steroid Hormones      Hormone Receptors      Molecular Medicine      Growth Factors     
Submitted:  29 October 2018      Accepted:  08 January 2019      Published:  15 June 2020     
Fund: Wroclaw Medical University(SUB.280.19.050)
*Corresponding Author(s):  Marcin Jedryka     E-mail:

Cite this article: 

Marcin Jedryka, Agnieszka Chrobak, Anna Chelmonska-Soyta, Daria Fijalkowska, Rafal Matkowski. Decreased expression of estrogen receptors alpha and beta in peripheral blood lymphocytes from the endometrial cancer patients and women with endometriosis. European Journal of Gynaecological Oncology, 2020, 41(3): 375-379.

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Table 1  - mRNA expression of ERα and ERβ from the isolated lymphocytes presented as mean ± standard deviation and median & interquartile range in three studied groups: healthy, endometriosis and endometrial cancer.
ER alpha ER beta
healthy endometriosis cancer healthy endometriosis cancer
Mean 4.67 1.80 1.96 16.78 1.84 4.12
Standard deviation ± 2.70 ± 1.41 ± 0.53 ± 11.92 ± 2.28 ± 4.37
Median 4.16 1.27 1.95 10.67 1.30 2.93
Interquartile range 2.83 0.80 0.17 15.80 1.49 1.38
Figure 1.  - The expression of estradiol receptors alpha and beta in the peripheral blood T lymphocytes from women with endometrial cancer, endometriosis and healthy control.

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